Milk that has expired for 15 days cannot be drunk even if it is unopened.

Once milk has expired, it is not drinkable, whether it has been opened or not. The shelf life of milk is only an optimal drinking period, but beyond the shelf life, the milk expiration date will lead to the growth of bacteria in the milk, and the nutritional value of the milk has been changed.

Often 2-3 days after the expiration date, the nutrients in the milk begin to decompose; 5-6 days after the expiration date the nutrients will be basically decomposed, the bacteria also begin to grow, continue to drink not only won't replenish the nutrients, but also for the health of the body to bring a certain amount of harm.

The use of expired milk

Wiping laminate wood floor

Lactic acid is a natural stain remover, in addition, milk is rich in protein and fat and other substances, you can form a layer of protective film on the floor.

When wiping the wooden floor, first pour the expired milk into the basin, and then add twice as much water to dilute, and then wet the rag and wring it out, you can wipe the wooden floor, if the number of expired milk is relatively large, you can use the milk to wipe once a week.

Scrubbing leather shoes

Clearing the dirt on the upper, with gauze dipped in expired milk evenly coated in the upper, dry and then wipe with a dry rag, the upper can be bright as new. Moreover, there is a role to prevent the leather surface from drying out.

Scrubbing Leather Furniture

Scrubbing leather with a rag soaked in milk can make it look new. If you want to treat your leather item y, apply milk and then let it air dry thoroughly before sanding. Milk closes up cracks and abrasions in the leather and makes it look shiny and new.